Average Annual Snowfall in Idaho





The tables below give yearly averages for snowfall at cities, communities and other locations around Idaho. The numbers are for the total amount of snow and for how many days it snows at least 0.1 inches (0.25 centimetres).

The snowfall totals are annual averages based on weather data collected from 1991 to 2020 for the US National Centers for Environmental Information.

You can jump to a separate table for each region of the state: Eastern, Central, Southwestern and Northern Idaho.

Place name links take you to more detailed information on snowfall, snowstorms and snow accumulation for that location.

Eastern Idaho

Average annual snowfall
Days Place Inches Centi­metres
50.5 Pocatello 63.6 161.5
30.6 Preston 52.4 133.1

Central Idaho

Yearly snow averages
Days Place Inches Centi­metres
34.7 Craters of the Moon Monument 80.3 204.0
38.0 Ketchum 102.0 259.1
14.1 Lake Walcott, Minidoka Dam 20.5 52.1
27.2 Middle Fork Lodge 40.7 103.4
14.8 Salmon 22.0 55.9
31.9 St. Maries 56.0 142.2
19.7 Twin Falls 24.2 61.5

Southwestern Idaho

Average total snowfall for a year
Days Place Inches Centi­metres
18.2 Boise 17.6 44.7
50.9 McCall 132.2 335.8

Northern Idaho

Average annual snowfall
Days Place Inches Centi­metres
25.2 Bonners Ferry 53.8 136.7
71.8 Elk City 119.2 302.8
32.4 Kellogg 52.4 133.1
11.0 Lewiston 12.7 32.3
27.2 Moscow 50.9 129.3
4.3 Riggins 7.1 18.0
31.4 Sandpoint 62.0 157.5
36.7 Wallace 75.6 192.0
Reference

NOAA National Centers for Environmental Information (NCEI). Climate Normals.

Idaho Snowfall
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